Southern parts of Delhi also recorded high levels on pollution on 23 April.

Air quality across Australia has deteriorated to alarming levels with the coal industry the nation's worst polluter, new data has shown.

The week leading up to round two of the odd-even scheme will see Delhiites breathe slightly cleaner air, with particulate matter expected to remain in the moderate range.

The van run by Nevco Engineering Private Limited will start at 8 am from Lajpat Nagar and monitor air quality till 8 pm from the same spots.

Britain’s most serious air pollution event in the past 10 years was only partly caused by “natural” dust blowing in from the Sahara desert and mostly came from farmers fertilising their fields and

In February, apart from particulate matter, gaseous pollutant ozone emerged dominant. Experts say ozone levels go up with the rise in temperature.

Taking a decisive step towards combating the problem of dust from construction activities polluting the air, the Centre on Tuesday notified the country's first ever `Construction and Demolition Was